Practicing Success

Target Exam

CUET

Subject

Physics

Chapter

Wave Optics

Question:

White light is used to illuminate the two slits in a Young's double slit experiment. The separation between the slits is b and the screen is at a distance D from the slits. At a point on a screen directly in front of one of the slits, certain wavelength are missing. Some of these wavelengths are:

(A) $λ=\frac{b^2}{D}$
(B) $λ=\frac{2b^2}{D}$
(C) $λ=\frac{b^2}{3D}$
(D) $λ=\frac{2b^2}{3D}$

Choose the correct answer from the options given below:

Options:

(D) only

(B) and (D) only

(C) only

(A) and (C) only

Correct Answer:

(A) and (C) only

Explanation:

The correct answer is Option (4) → (A) and (C) only